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Fisher FSKMIF-71AE2-EU Service Manual page 30

Multi split type indoor units light commercial series

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cooling units can not quit forced cooling mode until the master forced cooling unit quit, and turn to cooling
mode at low speed with 24
setting temperature.
7.4.6.5 The slave forced cooling units will not be controlled by other signals.
8.4.7 Timer Function
8.4.7.1 Timing range is 24 hours.
8.4.7.2 Timer on. The machine will turn on automatically when reaching the setting time.
8.4.7.3 Timer off. The machine will turn off automatically when reaching the setting time.
8.4.7.4 Timer on/off. The machine will turn on automatically when reaching the setting "on" time, and then
turn off automatically when reaching the setting "off" time.
8.4.7.5 Timer off/on. The machine will turn off automatically when reaching the setting "off" time, and then
turn on automatically when reaching the setting "on" time.
8.4.7.6 The timer function will not change the AC current operation mode. Suppose AC is off now, it will not
start up firstly after setting the "timer off" function. And when reaching the setting time, the timer LED will be
off and the AC running mode has not been changed.
8.4.7.7 The setting time is relative time.
8.4.8 Sleep mode
8.4.8.1 The sleep function is available in cooling, heating or auto mode.
8.4.8.2. Operation process in sleep mode is as follow.
After pressing ECONOMIC or SLEEP button on controller, the machine will turn into sleep mode.
When cooling, The set temperature rise 1℃ per hour(be lower than 30 )
℃ . Two hours later, the set
temperature will maintain as a constant and the fan speed is kept at low speed.
When heating, The set temperature decrease 1℃ per hour(be higher than 17 )
℃ . Two hours later, the set
temperature will maintain as a constant and the fan speed is kept at low speed (Anti-cold function takes
precedence over all).
When auto, After an hour running under economic mode ,if it is under cooling mode the set temp will rise 1℃,
if it is under heating mode the set temp will decrease 1℃, if it is under fan-only mode the set temp will be
changeless; the condition will be the same after the air conditioner running under economic mode after 2
hours, and during the next time the set temp do not change.
8.4.8.3 Operation time in sleep mode is 7 hours. After 7 hours the AC quits this mode and the AC will turn off.
8.4.8.4 Timer off and remote controller off signals have the priority compared with sleep function.
8.4.9 Auto-Restart function
The indoor unit is equipped with auto-restart function, which is carried out through an auto-restart module. In
case of a sudden power failure, the module memorizes the setting conditions before the power failure. The
unit will resume the previous operation setting (not including swing function) automatically after 3 minutes
when power returns.
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